Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633110 | Underwater lamp | Albert Honegger, Felix Kessler | 2003-10-14 |
| 6611082 | Lamp for producing daylight spectral distribution | — | 2003-08-26 |
| 6075872 | Process for illuminating artwork | — | 2000-06-13 |
| 5977694 | Apertured daylight lamp | — | 1999-11-02 |
| 5666017 | Daylight lamp | — | 1997-09-09 |
| 5569983 | Electronic apparatus for producing variable spectral output | Richard E. Hagerman | 1996-10-29 |
| 5418419 | Lamp for producing a daylight spectrum | — | 1995-05-23 |
| 5329435 | Apparatus for producing light distributions | — | 1994-07-12 |
| 5282115 | Apparatus for producing light distributions | — | 1994-01-25 |
| 5083252 | Apparatus for producing light distributions | — | 1992-01-21 |
| 5079683 | Appartaus for producing light distributions | — | 1992-01-07 |
| 4947207 | Apparatus for exposing photographic materials | — | 1990-08-07 |
| 4922089 | Constant color temperature and intensity illumination source | James D. McKay | 1990-05-01 |
| 4894683 | Variable brightness light generators | James D. McKay | 1990-01-16 |